Answer:
Cat
Explanation:
Because cat is a multi cellular organism with more complexity.
Answer: Option A ,Band C.
Explanation:
Sympatric speciation is the evolution or isolation of new species from the original populations of species occupying in the same geographical area. Sympatric speciation commonly occur due to sexual selection of mates can cause reproductive barriers or isolation which keep gene pools separate. A plant with extra set of homologous chromosomes is an example of sympatric speciation.
The goal of environmental science is to demonstrate the importance of the interrelationships between the different physical and biological components of the biosphere and to develop a set of scientific concepts and concepts to directly assess the causes and possible relationships to crises. environmental shaking our societies.
Earth's environment is constantly changing, especially in recent years with the advent of industry, deforestation and increased pollution that has disrupted many systems at the level of the biosphere (physical and biological), so the need of environmental scientists so that it can predict future events and how to restore the biosphere system.
Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
